VANTAGE AT-903 Anti Freeze Coolant Tester Radiator No.

( Brand: Vantage ), ( Manufacturer Part Number: AT-903 ), ( Type: Antifreeze Tester ), ( Vehicle Type: Atv, Heavy Duty/commercial, Passenger Vehicle ), ( Country Of Origin: Taiwan )

Review VANTAGE Anti freeze Coolant Tester Part No. Hot Or Cold Radiator New

Introducing the Vantage AT-903 Anti-Freeze Coolant Tester, a must-have tool for ensuring the optimal performance and health of your vehicle's cooling system. This sophisticated and easy-to-use device enables you to quickly and accurately test the antifreeze coolant concentration in your radiator, providing you with valuable insights into the current status of your coolant system.

The Vantage AT-903 is designed with a user-friendly interface, making it simple for anyone to operate. The tester features an easy-to-read digital display that shows the coolant concentration in percentage, allowing you to easily identify when it's time for a top-up or a coolant flush. The device is capable of testing a wide range of coolant types, including ethylene glycol, propylene glycol, and hybrid coolants.

The tester utilizes a sensor that is immersed in the coolant to obtain an accurate reading. The sensor is designed to be durable and resistant to corrosion, ensuring long-lasting performance and reliability. The device also features a built-in temperature sensor, which helps to provide an accurate reading by compensating for variations in coolant temperature.

The Vantage AT-903 Anti-Freeze Coolant Tester comes with a compact and lightweight design, making it easy to carry with you on the go. The device is powered by two AAA batteries (not included), and it includes a protective cover to keep the sensor clean and free from contaminants when not in use.

In addition to its test function, the Vantage AT-903 also includes a convenient drain hose attachment, allowing you to easily drain the coolant from your radiator for maintenance or replacement. The device also comes with a storage pouch, which keeps all the components organized and protected when not in use.

The Vantage AT-903 Anti-Freeze Coolant Tester is an essential tool for any vehicle owner or mechanic, providing valuable information about the health of your cooling system and helping you maintain your vehicle in top condition. With its easy-to-use design, accurate readings, and long-lasting durability, the Vantage AT-903 is the go-to choice for anyone looking for a reliable and effective coolant tester.

The Vantage AT-903 Anti-Freeze Coolant Tester is a handheld device designed to test the freeze point and antifreeze concentration of coolant in various types of automotive engines. Here are some pros and cons that might help you decide if this tester is a good investment for your needs:

1. Portability: The Vantage AT-903 is compact and handheld, making it easy to carry in your toolbox or take with you on the go.

2. Multiple Testing Capabilities: The tester can be used to test both the freeze point and antifreeze concentration of coolant, providing you with valuable information about the health of your cooling system.

3. Wide Temperature Range: The tester can test coolant temperatures ranging from -40 F to 257 F, making it suitable for a wide range of vehicles and climates.

4. Easy to Use: The tester features a simple, one-button operation and clear, easy-to-read display, making it easy for anyone to use.

5. Durable: The tester is made of high-impact plastic and is designed to withstand rough handling and harsh environments.

1. Limited Testing Capabilities: While the tester can test both the freeze point and antifreeze concentration of coolant, it cannot provide as much detailed information as more advanced testing equipment.

2. Calibration: The tester requires regular calibration to ensure accurate readings, which can be time-consuming and require additional supplies.

3. Battery-Operated: The tester is battery-operated, which means you will need to keep spare batteries on hand to avoid being stranded without a functioning tester.

4. Limited Compatibility: The tester is designed primarily for use with automotive cooling systems, and may not be suitable for testing coolant in industrial or other non-automotive applications.

The Vantage AT-903 Anti-Freeze Coolant Tester is a useful and versatile tool for anyone who regularly works on automotive cooling systems. Its portability, ease of use, and ability to test both freeze point and antifreeze concentration make it a valuable addition to any mechanic's toolbox. However, its limited testing capabilities, calibration requirements, battery operation, and limited compatibility may make it less suitable for more advanced or industrial applications. Ultimately, the decision to purchase the Vantage AT-903 depends on your specific needs and the type of cooling systems you work with on a regular basis.

If you are a professional mechanic or work on a variety of automotive cooling systems, the Vantage AT-903 Anti-Freeze Coolant Tester is a worthwhile investment. Its portability, ease of use, and testing capabilities make it an essential tool for maintaining the health of your customers' cooling systems. However, if you work in an industrial setting or require more detailed testing capabilities, you may want to consider investing in more advanced testing equipment.

Details:

Vantage Unbreakable Anti-Freeze Coolant Tester Part No. AT-903 Vintage item in Brand New Unopened Original Package Works hot or cold radiator, radiator.

part #: at903 prices

• $9.98-$12.25

specifications diagitools:

• brand: Vantage
• mpn: At-903
• type: Antifreeze Tester
• vehicle type: Atv, Heavy Duty/commercial, Passenger Vehicle
• country of origin: Taiwan

shipping diagitools:

• class: Standard, Economy, Expedited
• type: Calculated
• transit: 3-8 Days
• cost: $0.00
• service: USPS Ground AdVantage, UPS Ground Saver, FedEx Ground Economy, USPS Priority Mail
• carrier: USPS, UPS, FedEx

offer diagitools:

• availability: In Stock
• options: Ship-to-home
• best offers: True
• started: May 11, 2026
• quantity: 1
• sold: 0

returns diagitools:

• policy: Returns Accepted
• time: 14 Days
• paid by: Buyer

seller diagitools:

• rating: 99.8%
• # reviews: 6115
• city: Elmore, Ohio

general diagitools:

• condition: New
• Automotive Tools Supplies > Diagnostic Service Tools > Other Diagnostic Service Tools

payments diagitools:

• other
• wallet: Apple-pay
• credit card: Diners-club